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Re: st: RE: matrix out


From   Victor Mauricio Herrera <vherrera@wisc.edu>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: RE: matrix out
Date   Sat, 12 Dec 2009 09:21:08 -0600

Thanks Martin.
Mauricio.


----- Original Message -----
From: Martin Weiss <martin.weiss1@gmx.de>
Date: Saturday, December 12, 2009 3:47 am
Subject: st: RE: matrix out
To: statalist@hsphsun2.harvard.edu


>  <>
>  
>  Just look at the instructions that you have given to Stata: You want 
> the
>  -rownames- to be equal to your "varlist" -local- so that is what you 
> get.
>  Stata repeats the second entry in the -local- as often as it needs to 
> to
>  fill the matrix rows. Your problem might be easily solved via 
> -statsby-, by
>  the way...
>  
>  
>  *******
>  local varlist "strokeriskNULL strokeriskP55" 
>  matrix out = J(20,3,-99)
>  matrix colnames out = risk sex age
>  matrix rownames out = `varlist' 
>  
>  mat li out
>  *******
>  
>  
>  
>  out[20,3]
>                risk   sex   age
>  strokerisk~L   -99   -99   -99
>  strokeris~55   -99   -99   -99
>  strokeris~55   -99   -99   -99
>  strokeris~55   -99   -99   -99
>  strokeris~55   -99   -99   -99
>  strokeris~55   -99   -99   -99
>  strokeris~55   -99   -99   -99
>  strokeris~55   -99   -99   -99
>  strokeris~55   -99   -99   -99
>  strokeris~55   -99   -99   -99
>  strokeris~55   -99   -99   -99
>  strokeris~55   -99   -99   -99
>  strokeris~55   -99   -99   -99
>  strokeris~55   -99   -99   -99
>  strokeris~55   -99   -99   -99
>  strokeris~55   -99   -99   -99
>  strokeris~55   -99   -99   -99
>  strokeris~55   -99   -99   -99
>  strokeris~55   -99   -99   -99
>  strokeris~55   -99   -99   -99
>  
>  HTH
>  Martin
>  
>  
>  -----Original Message-----
>  From: owner-statalist@hsphsun2.harvard.edu
>  [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Victor Mauricio
>  Herrera
>  Sent: Samstag, 12. Dezember 2009 08:08
>  To: statalist
>  Subject: st: matrix out
>  
>  Hello, I'm trying to obtain a matrix using the following code:
>  
>  ********************************************* 
>  local varlist "strokeriskNULL strokeriskP55" 
>  matrix out = J(20,3,-99)
>  matrix colnames out = risk sex age
>  matrix rownames out = `varlist' 
>  local irow = 0
>  foreach var in `varlist' {
>     foreach i in 2 3 4 5 6 {
>     foreach s in 0 1 {
>     local ++irow
>     qui mim, storebv: svy: regress `var' if sex==`s' & ageg==`i'
>     matrix A=e(b)
>     matrix out[`irow',1]=A[1,1]
>     matrix out[`irow',2]=`s'
>     matrix out[`irow',3]=`i'
>   }
>   }
>   }
>  matrix list out
>  *******************
>  
>  I expect to get ten lines starting with "strokeriskNULL" and ten starting
>  with "strokeriskP55". However I get only the first line starting with
>  "strokeriskNULL" and the remaining 19 starting with "strokeriskP55".
>  
>  Could anybody point me to what's wrong with these instructions?
>  Very thankful,
>  
>  Mauricio Herrera.
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